Altium Designer Documentation

HasMaskExpansionOnLayer

Modified by Jason Howie on Oct 9, 2017
This documentation page references Altium Vault, which is no longer a supported product. Altium Vault and its component management features have migrated to Altium Concord Pro.

Parent page: PCB Query Functions - Membership Checks

Summary

Returns all arc, fill, pad, region, track, and via objects that have Paste Mask Expansion (except via), or Solder Mask Expansion values, defined for the specified layer. Values may be defined manually, or taken from the applicable defined design rule.

Syntax

HasMaskExpansionOnLayer(Layer : String) : Boolean/Boolean_String

Layer is the name of the layer, as it appears in the applicable Layers section, on the Layers & Colors tab of the View Configuration panel.

Example Usage

HasMaskExpansionOnLayer('Top Layer')
HasMaskExpansionOnLayer('Top Layer') = True
HasMaskExpansionOnLayer('Top Layer') = 'True'

Returns all arc, fill, pad, region, track, and via objects that have Paste Mask Expansion (except via), or Solder Mask Expansion values, defined for the Top Layer.

Not HasMaskExpansionOnLayer('Bottom Layer')
HasMaskExpansionOnLayer('Bottom Layer') = False
HasMaskExpansionOnLayer('Bottom Layer') = 'False'

Returns all objects except arc, fill, pad, region, track, and via objects that have Paste Mask Expansion (except via), or Solder Mask Expansion values, defined for the Bottom Layer.

Tips

  1. The single quote characters (') at the start and end of Layer are mandatory.
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